Transformers Material used for construction of transformer core is usually Silicon steel Copper Aluminium Wood Silicon steel Copper Aluminium Wood ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be cool as there is no secondary current hot because of heavy iron losses taking place in it due to high flux density none of above will happen hot because primary will carry heavy current cool as there is no secondary current hot because of heavy iron losses taking place in it due to high flux density none of above will happen hot because primary will carry heavy current ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which has a common core for its primary and secondary windings core of stainless steel and winding of pure copper metal interleaved primary and secondary windings no losses and magnetic leakage a common core for its primary and secondary windings core of stainless steel and winding of pure copper metal interleaved primary and secondary windings no losses and magnetic leakage ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine copper loss efficiency of the transformer magnetising current magnetising current and loss copper loss efficiency of the transformer magnetising current magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine hysteresis losses copper losses eddy current losses core losses hysteresis losses copper losses eddy current losses core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 400 W 200 W None of the listed here 100 W 400 W 200 W None of the listed here 100 W ANSWER DOWNLOAD EXAMIANS APP